<?php
/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 */

/**
 * Smarty {eval} function plugin
 *
 * Type:     function<br>
 * Name:     eval<br>
 * Purpose:  evaluate a template variable as a template<br>
 * @link http://smarty.php.net/manual/en/language.function.eval.php {eval}
 * (Smarty online manual)
 * @author Monte Ohrt <monte at ohrt dot com>
 * @param array
 * @param Smarty
 */
function smarty_function_eval($params, &$smarty) {
	
	if (! isset ( $params ['var'] )) {
		$smarty->trigger_error ( "eval: missing 'var' parameter" );
		return;
	}
	
	if ($params ['var'] == '') {
		return;
	}
	
	$smarty->_compile_source ( 'evaluated template', $params ['var'], $_var_compiled );
	
	ob_start ();
	$smarty->_eval ( '?>' . $_var_compiled );
	$_contents = ob_get_contents ();
	ob_end_clean ();
	
	if (! empty ( $params ['assign'] )) {
		$smarty->assign ( $params ['assign'], $_contents );
	} else {
		return $_contents;
	}
}

/* vim: set expandtab: */

?>
